<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/rootView" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <include layout="@layout/include_left_back_title" /> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:orientation="vertical"> <androidx.viewpager.widget.ViewPager android:id="@+id/addDeviceViewPager" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" /> <!--超过3个item,需要加上app:labelVisibilityMode="labeled"--> <com.google.android.material.bottomnavigation.BottomNavigationView android:id="@+id/bottomNavigation" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@color/white" app:itemIconTint="@drawable/bottom_text_color" app:itemTextColor="@drawable/bottom_text_color" app:labelVisibilityMode="labeled" app:menu="@menu/add_device_bottom_nav_menu" /> </LinearLayout> </LinearLayout>